Re: [PATCH 2/2] use hlist for pid hash

[Nick Piggin]

Ryan Cumming wrote:
> On Saturday 21 August 2004 21:46, you wrote:
>
> > This comes at the "expense" of
> > 1. reintroducing the memory  prefetch into the hash traversal loop;
> > 2. adding new pids to the head of the list instead of the tail. I
> >   suspect that if this was a big problem then the hash isn't sized
> >   well or could benefit from moving hot entries to the head.
>
>
> It looks like the current code is already adding PIDs to the head: list_add() 
> adds to the head of a list and list_add_tail() adds to the tail.

Hmm, so it is. I must have been looking at the task_list list when I
was thinking that. Well, all the better.
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